Vulnerability Intelligence Report
D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 ISO Image isomount_mgr.cgi os command injection
CVE-2026-82689
A vulnerability was detected in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected is an unknown function of the file /cgi-bin/isomount_mgr.cgi of the component ISO Image Handler. The manipulation of the argument upIsoRootPath results in os command injection. The attack can be executed remotely. The exploit is now public and may be used.
Injection
No Active Exploit Signals
CVSS Base Score
9.4
CRITICAL
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗OS Command Injection
CWE-77 ↗Command Injection
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| D-Link | DNS-320L | 20260717 (affected) |
| D-Link | DNS-327L | 20260717 (affected) |
| D-Link | DNS-340L | 20260717 (affected) |
| D-Link | DNS-345 | 20260717 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Injection
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-08-30T17:35:26 |
| Published | 2026-08-31T11:15:09 |
| Last Updated | 2026-08-31T15:10:39 |
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